光学玻璃材料参数翻译

qukewei1980_200

大家好，有谁能帮我翻译下面这段话，是关于光学玻璃材料参数的内容
  Code 2540 was a soda lime silicate glass based infrared transmitting,
8 s4 ?$ [0 v- p  `( Wvisible absorbing optical filter. Transmission for a 2.3mm glass was 57%
at 1000nm, and only ~ 20% at 900nm.
# z  u* O0 b; G, ~" j- I3 ]
Code 2404 was a Soda zinc borosilicate glass sharp cut infrared
" J1 `$ ^% s+ {5 q& [0 \% Rtransmitting filter, with the visible 50% transmission edge cut at ~
630nm (3 mm thick glass). There is essentially no transmission below ~
3 g, d, N! q6 C585nm for the 3mm thickness.
7 j) a+ L/ a  J' ]
We do have much of the details on these glasses in the REMIS database of
properties, as well as composition information from the released
) F  y4 N5 F, v3 E( }4 cmaterial folders in the TIC vault.

6 p7 v# S& Z) C) u# IThese were just 2 of many filter glasses that Corning sold until the
1990's. The business was sold to Kopp Glass of Pittsburgh, PA. I have a
! j% M$ {+ C! J: B$ c7 TKopp Filter Glass catalog that shows these filters have been produced by
Kopp. They have their own catalog numbers for them (CS-Number 7-56 =
Code 2540 & CS-Number 2-59 = Code 2404) , but they also maintain the
% m! d; J3 R1 F' _( s$ J4 KCorning glass code numbers as well for each specific filter glass.